The Bahrain Petroleum Company BAPCO was established as a subsidiary of 

The refinery’s expansion continued in stages, especially after the discovery of oil in Saudi Arabia in 1940. The refinery was used to refine Saudi oil

Bahrain has the right to 50% of oil production in the event that oil is discovered In the marine area in which the Abu Safah field is located, based on the agreement signed between Bahrain and KSA in:- (The answer should be in numbers)

The discovery of oil was the lifeline for Bahrain's economy. Bahrain was the first country in the region to discover crude oil in 1932. This discovery happened suddenly by chance.  

The first serious attempts to discover oil in Bahrain began with the efforts of:- 

On June 7, 1934, The first-ever shipment of Bahraini crude oil exported to:-

The Zallaq pier was used for a long period.

Bahrain's most important crop is  (The answer must be one word)

The hardest years of the crisis in Bahrain were 1931-32 and 1932-33 . In these two years the revenue shrunk to less than Rs 7.3 Lakhs each and did not cover the expenditure.

In Bahrain, the collapse of the pearl trade resulted in a huge number of unemployed people, as well as a huge number of workers with very low incomes, which spread poverty but without any security and social disturbances.